@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  --bg: #f8fafc;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --primary: #0f172a;
  --secondary: #2563eb;
  --accent: #22c55e;
  --border: rgba(15, 23, 42, 0.1);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.10), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 38%, #eef4ff 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.container { width: min(calc(100% - 1.5rem), var(--max)); margin: 0 auto; }
.section { padding: 4rem 0; }
.section-title { margin: 0 0 1rem; font-family: 'Plus Jakarta Sans', sans-serif; font-size: clamp(1.6rem, 2vw, 2.4rem); }
.section-lead { margin: 0 0 2rem; color: var(--muted); max-width: 70ch; }
.surface { background: var(--surface); backdrop-filter: blur(18px); border: 1px solid var(--border); box-shadow: var(--shadow); }
.grid { display: grid; gap: 1.2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  border: 0; border-radius: 999px; padding: 0.95rem 1.4rem; font-weight: 700;
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--secondary), #1d4ed8); box-shadow: 0 14px 26px rgba(37, 99, 235, .25); }
.btn-accent { color: #062810; background: linear-gradient(135deg, #86efac, var(--accent)); box-shadow: 0 14px 26px rgba(34, 197, 94, .22); }
.btn-ghost { background: rgba(15, 23, 42, .05); color: var(--primary); }
.badge {
  display: inline-flex; align-items: center; gap: .4rem; padding: .42rem .8rem; border-radius: 999px;
  background: rgba(37, 99, 235, 0.09); color: var(--secondary); font-weight: 700; font-size: .85rem;
}
.site-loader {
  position: fixed; inset: 0; z-index: 99; display: grid; place-items: center;
  background: rgba(248, 250, 252, .88); transition: opacity .4s ease, visibility .4s ease;
}
.site-loader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.site-loader span {
  width: 52px; height: 52px; border-radius: 50%; border: 5px solid rgba(37, 99, 235, .12); border-top-color: var(--secondary);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.site-header {
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(16px);
  background: rgba(248, 250, 252, 0.78); border-bottom: 1px solid rgba(15, 23, 42, .08);
}
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .85rem; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 14px 24px rgba(15, 23, 42, .22);
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: .82rem; }
.nav { display: none; gap: 1rem; }
.nav a { color: var(--muted); font-weight: 600; }
.nav a:hover { color: var(--text); }
.nav-toggle {
  border: 1px solid var(--border); background: #fff; border-radius: 999px; padding: .72rem 1rem; cursor: pointer;
}
.hero {
  position: relative; overflow: hidden; padding: 4rem 0 3rem;
}
.hero-card {
  border-radius: clamp(24px, 5vw, 36px); padding: clamp(1.2rem, 4vw, 2.4rem); position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(15, 23, 42, .98), rgba(37, 99, 235, .88)); color: #fff; box-shadow: 0 30px 80px rgba(15, 23, 42, .22);
}
.hero-card::before, .hero-card::after {
  content: ''; position: absolute; border-radius: 999px; filter: blur(18px); opacity: .55;
}
.hero-card::before { width: 220px; height: 220px; right: -50px; top: -55px; background: rgba(34, 197, 94, .32); }
.hero-card::after { width: 180px; height: 180px; left: -70px; bottom: -70px; background: rgba(255, 255, 255, .18); }
.hero-grid { position: relative; z-index: 1; display: grid; gap: 2rem; }
.hero h1 { margin: 1rem 0; font-family: 'Plus Jakarta Sans', sans-serif; font-size: clamp(2.6rem, 7vw, 5rem); line-height: .96; }
.hero p { margin: 0 0 1.5rem; max-width: 58ch; font-size: 1.05rem; color: rgba(255,255,255,.88); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.stat { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; padding: .9rem; }
.stat strong { display: block; font-size: 1.3rem; }
.stat span { color: rgba(255,255,255,.75); font-size: .84rem; }
.hero-panel {
  align-self: stretch; display: grid; gap: 1rem; align-content: center; justify-items: stretch;
}
.hero-card-mini, .plan-card, .content-card, .faq-item, .summary-card, .ad-slot, .form-card, .info-panel, .plan-spot, .admin-card {
  border-radius: var(--radius-lg); background: var(--surface); backdrop-filter: blur(16px); border: 1px solid var(--border); box-shadow: var(--shadow);
}
.hero-card-mini { padding: 1rem; }
.hero-card-mini h3, .form-card h2, .summary-card h2, .admin-card h2 { margin-top: 0; font-family: 'Plus Jakarta Sans', sans-serif; }
.hero-list { margin: 0; padding: 0; list-style: none; display: grid; gap: .75rem; }
.hero-list li { display: flex; gap: .7rem; align-items: center; color: var(--muted); }
.hero-list li::before { content: '✓'; width: 22px; height: 22px; border-radius: 999px; display: inline-grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--accent), #16a34a); flex: none; }
.ad-slot { display: grid; place-items: center; min-height: 120px; padding: 1rem; border-style: dashed; color: var(--muted); text-align: center; }
.ad-slot strong { display: block; color: var(--text); margin-bottom: .4rem; }
.feature-grid, .content-grid, .faq-grid, .plan-grid, .support-grid, .admin-toolbar { display: grid; gap: 1rem; }
.feature-card { padding: 1.2rem; border-radius: var(--radius-md); background: rgba(255,255,255,.85); border: 1px solid rgba(15,23,42,.08); }
.feature-card h3 { margin: .8rem 0 .4rem; }
.feature-card p, .content-card p, .faq-item p, .info-panel p, .plan-spot p { color: var(--muted); margin: 0; }
.icon-bubble {
  width: 52px; height: 52px; border-radius: 18px; display: grid; place-items: center; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--secondary), #60a5fa);
}
.steps { counter-reset: step; }
.step-card { padding: 1.2rem; border-radius: var(--radius-md); background: rgba(255,255,255,.82); border: 1px solid rgba(15,23,42,.08); }
.step-card strong::before { counter-increment: step; content: '0' counter(step); display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; margin-right: .7rem; color: #fff; background: linear-gradient(135deg, var(--secondary), var(--primary)); }
.plan-card { padding: 1.25rem; position: relative; overflow: hidden; }
.plan-card h3 { margin: .2rem 0 .5rem; }
.plan-card ul { margin: 1rem 0 0; padding-left: 1rem; color: var(--muted); }
.plan-chip { display: inline-flex; align-items: center; padding: .4rem .65rem; border-radius: 999px; background: rgba(34,197,94,.12); color: #047857; font-weight: 700; font-size: .8rem; }
.content-card { padding: 1.2rem; }
.faq-item { padding: 1rem 1.1rem; }
.faq-item h3 { margin: 0 0 .35rem; font-size: 1rem; }
.columns-2 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.columns-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.columns-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.form-card, .summary-card, .admin-card { padding: 1.35rem; }
.form-grid { display: grid; gap: 1rem; }
.field label { display: block; font-weight: 700; margin-bottom: .5rem; }
.field input, .field select, .field textarea {
  width: 100%; border-radius: 16px; border: 1px solid rgba(15,23,42,.14); padding: .9rem 1rem; background: rgba(255,255,255,.9);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(37,99,235,.14); border-color: var(--secondary); }
.notice {
  padding: 1rem 1.1rem; border-radius: 16px; background: rgba(37,99,235,.08); color: var(--secondary); border: 1px solid rgba(37,99,235,.15);
}
.notice.error { background: rgba(239, 68, 68, .08); color: #b91c1c; border-color: rgba(239,68,68,.15); }
.notice.success { background: rgba(34,197,94,.10); color: #166534; border-color: rgba(34,197,94,.18); }
.summary-list { display: grid; gap: .8rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.summary-list li { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: .7rem; border-bottom: 1px solid rgba(15,23,42,.08); }
.plan-spot { padding: 1rem; }
.plan-spot.active { border-color: rgba(37,99,235,.45); box-shadow: 0 20px 45px rgba(37,99,235,.14); }
.success-mark {
  width: 96px; height: 96px; margin-bottom: 1rem; border-radius: 28px; display: grid; place-items: center;
  color: #fff; background: linear-gradient(135deg, var(--accent), #16a34a); font-size: 3rem; box-shadow: 0 18px 30px rgba(34,197,94,.2);
}
.site-footer { padding: 2.5rem 0 1.5rem; }
.footer-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.footer-grid h3, .footer-grid h4 { margin-top: 0; }
.footer-grid p, .footer-grid a { color: var(--muted); display: block; margin-bottom: .5rem; }
.footer-bottom { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid rgba(15,23,42,.08); color: var(--muted); font-size: .95rem; }
.hidden-mobile { display: none; }
.stack { display: grid; gap: 1rem; }
.action-center { display: flex; justify-content: center; align-items: center; }
.admin-toolbar { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 1rem; }
.admin-toolbar form { display: contents; }
.admin-list { display: grid; gap: .9rem; }
.admin-row { padding: 1rem; border-radius: 18px; background: rgba(255,255,255,.86); border: 1px solid rgba(15,23,42,.08); display: grid; gap: .85rem; }
.admin-row strong { display: block; }
.row-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.small { font-size: .88rem; color: var(--muted); }
@media (min-width: 720px) {
  .nav { display: flex; }
  .nav-toggle { display: none; }
  .hero-grid { grid-template-columns: 1.3fr .8fr; align-items: center; }
  .feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid .full { grid-column: 1 / -1; }
  .support-grid { grid-template-columns: 1.2fr .8fr; align-items: start; }
  .hidden-mobile { display: block; }
  .admin-row { grid-template-columns: 1.2fr .8fr auto; align-items: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}